Merge rust-bitcoin/rust-secp256k1#475: Upgrade bitcoin hashes

d31bbc1723 Bump version number to v0.24.0 (Tobin C. Harding)
6062ea7d54 Upgrade to bitcoin_hashes v0.11.0 (Tobin C. Harding)
510e58a949 Remove leading whitespace character (Tobin C. Harding)

Pull request description:

  We have updated the `bitcoin_hashes` version, this requires a minor version bump and release.

  - Patch 1: trivial clean up in the manifest
  - Patch 2: upgrade `bitcoin_hashes` dependency

ACKs for top commit:
  sanket1729:
    utACK d31bbc1723.
  apoelstra:
    ACK d31bbc1723

Tree-SHA512: 940f30218955a9f47d253764143b80868ea2f9d53503c00a71938ec19082f3081e7cfe9dd9bef2bc6ef304344645bdd4ed3d6bbfba332f4a94e5c70e381b6f88

CHANGELOG.md

@@ -1,3 +1,8 @@
+
+# 0.24.0 - 2022-07-20
+
+* Upgrade to new release of [bitcoin_hashes](https://github.com/rust-bitcoin/bitcoin_hashes/releases/tag/0.11.0).
+
 # 0.23.4 - 2022-07-14
 
 * [Disable automatic rerandomization of contexts under WASM](https://github.com/rust-bitcoin/rust-secp256k1/pull/474)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "secp256k1"
-version = "0.23.4"
+version = "0.24.0"
 authors = [ "Dawid Ciężarkiewicz <dpc@ucore.info>",
             "Andrew Poelstra <apoelstra@wpsoftware.net>" ]
 license = "CC0-1.0"
@@ -41,14 +41,14 @@ serde = { version = "1.0", default-features = false, optional = true }
 
 # You likely only want to enable these if you explicitly do not want to use "std", otherwise enable
 # the respective -std feature e.g., bitcoin-hashes-std
-bitcoin_hashes = { version = "0.10", default-features = false, optional = true }
+bitcoin_hashes = { version = "0.11", default-features = false, optional = true }
 rand = { version = "0.8", default-features = false, optional = true }
 
 [dev-dependencies]
 rand = "0.8"
 rand_core = "0.6"
 serde_test = "1.0"
-bitcoin_hashes = "0.10"
+bitcoin_hashes = "0.11"
 bincode = "1.3.3"
 
 # cbor does not build on WASM, we use it in a single trivial test (an example of when